/// <summary>
/// Draws the gameplay area to the RenderTarget.
/// </summary>
protected void DrawLevel()
{
//Set up drawing pass to the RenderTarget
ScreenManager.GraphicsDevice.SetRenderTarget(gameField);
ScreenManager.GraphicsDevice.Clear(Color.Black);
SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
spriteBatch.Begin();
int[,] levelMatrix = currentLevel.LevelGrid();
//Loop through all registered blocks in the LevelGrid
for (int x = 0; x < levelWidth; x++)
{
for (int y = 0; y < levelHeight; y++)
{
if (levelMatrix[x, y] > 0)
{
//Draw the block
spriteBatch.Draw(blockTexture,
new Rectangle((x * blockSize),
(y * blockSize),
blockSize,
blockSize),
BlockColors.GetColor(levelMatrix[x, y]));
}
}
}
//End the drawing pass
spriteBatch.End();
}
protected void DrawPreviewField()
{
//Get the block that should be put in the previewfield.
Block nextBlock = currentLevel.NextBlock;
//Because we want this preview block to be centered, we will not observe the matrix for drawing it.
//Instead we will calculate an offset for it to be centered.
int offSetX = (4 - nextBlock.Width) * (blockSize / 2);
int offSetY = (4 - nextBlock.Height) * (blockSize / 2);
//Set up drawing pass to the RenderTarget
ScreenManager.GraphicsDevice.SetRenderTarget(previewField);
ScreenManager.GraphicsDevice.Clear(Color.Black);
SpriteBatch spriteBatch = ScreenManager.SpriteBatch;
spriteBatch.Begin();
//Loop through all the individual blocks within the next shape.
for (int x = 0; x < nextBlock.Width; x++)
{
for (int y = 0; y < nextBlock.Height; y++)
{
if (nextBlock.Shape[x, y] > 0)
{
//Draw the square block
spriteBatch.Draw(blockTexture,
new Rectangle(offSetX + (x * blockSize),
offSetY + (y * blockSize),
blockSize,
blockSize),
BlockColors.GetColor(nextBlock.Shape[x, y]));
}
}
}
//End the drawing pass.
spriteBatch.End();
}
